At any point during execution of a process, the process execution can be interrupted and stored.
在进程执行过程中的任何时候，进程的执行都可以中断并存储。
2
When a signal that is being caught is handled by a process, the normal sequence of instructions being executed by the process is temporarily interrupted by the signal handler.
当进程处理所捕获的信号时，正在执行的正常指令序列就会被信号处理器临时中断。
3
Context in one part of the application is not used or determined by another part, so the work process is never interrupted by transition.